The first HeNe-Laser, a gas laser followed in 1961. b) 2.4961×1018/m3 (a) Laser technology (b) Photo-conduction (c) Thermal emission (c) Tyndall effect 16. Which of the following is a unique property of laser? Helium-Neon laser is a ___________ level laser. Required fields are marked *. What is the pumping source in Helium – Neon laser? Finally, you can also take the Online Quiz from the Take Satellite Communication Quiz Button. c) Maser 1. These short solved questions or quizzes are provided by Gkseries. View Answer, 8. d) To reduce the time of production of laser Free PDF Download of CBSE Physics Multiple Choice Questions for Class 12 with Answers Chapter 10 Wave Optics. Laser Multiple Choice Questions and Answers for competitive exams. Practice these MCQ questions and answers for preparation of various competitive and entrance exams. It includes MCQ questions on computer memory and types of memory, parts of central processing unit, printing services, computer networking and characteristics of peer to peer networking included in computer fundamentals. Which of the following can be used for the generation of laser pulse? c) Semiconductor laser What is the need to achieve population inversion? View Answer, 11. Calculate the wavelength of radiation emitted by an LED made up of a semiconducting material with band gap energy 2.8eV. Dec 26,2020 - Test: Laser | 10 Questions MCQ Test has questions of Mechanical Engineering preparation. Learn how your comment data is processed. here is complete set of 1000+ Multiple Choice Questions and Answers, Prev - Engineering Physics Questions and Answers – Production of Circular and Elliptically Polarized Light, Next - Engineering Physics Questions and Answers – Optical Fibre, Engineering Physics Questions and Answers – Production of Circular and Elliptically Polarized Light, Engineering Physics Questions and Answers – Optical Fibre, Mechatronics Engineering Questions and Answers, Chemical Engineering Questions and Answers, Manufacturing Engineering / Processes I Questions and Answers, Aeronautical Engineering Questions and Answers, Metallurgical Engineering Questions and Answers, Aerospace Engineering Questions and Answers, Agricultural Engineering Questions and Answers, Engineering Metrology Questions and Answers, Electronics & Communication Engineering Questions and Answers, Electrical & Electronics Engineering Questions and Answers, Best Reference Books – Technology, Engineering and Sciences, Optical Communications Questions and Answers, Manufacturing Engineering / Processes II Questions and Answers, Engineering Physics I Questions and Answers. d) Wavelength ASWDC (App, Software & Website Development Center) Darshan Institute of Engineering & Technology (DIET) Light Emitting Diode or LED objective questions and answers. a) Laser mcqSets.com mcqSets.com mcqSets.com mcqSets.com mcqSets.com mcqSets.com mcqSets.com mcqSets.com mcqSets.com mcqSets.com mcqSets.com mcqSets.com View Answer, 7. Stimulated Emission c. www.gtu-mcq.com is an online portal for the preparation of the MCQ test of Degree and Diploma Engineering Students of the Gujarat Technological University Exam. a) Ruby laser a) Light Absorbent and Stimulated Emission of Radiations [A] Resistance [B] Voltage [C] Current [D] None of the above. The colour of emitted light from LED depends on. Laser based optical techniques can be exploited at the best of their potential to detect a single analyte by exciting well separated and isolated absorption features, due to the narrow linewidth of the laser emission. Electromagnetic Induction and alternating current, 10 important MCQs of laser, ruby laser and helium neon laser, Should one take acidic liquid items in copper bottle: My experience, How Electronic Devices Affect Sleep Quality, Meaning of Renewable energy and 6 major types of renewable energy, Production or origin of Continuous X rays, Difference between Soft X rays and Hard X rays. a) Maser This document is highly rated by students and has been viewed 4709 times. b) True 10-1 What is Unicode? It is a gas laser built by Ali Javan at MIT, with a … c) 5548.4 Å State and prove Newton’s 3rd Law; 10 important MCQs of laser, ruby laser and helium neon laser; Should one take acidic liquid items in copper bottle: My experience a) Directional Laser is called as a non-material knife. a laser based on the solid-state laser material Ruby. The OMR responses captured will be compared against the mark scheme and marked as right or wrong. The calibration mode exactly positions the laser printing on the Certificates. b) False a) False VI. View Answer, 5. Recent Posts. Directionality property of laser can be used in (A) surveying (B) remote sensing (C) lidar (D) All Correct Ans. VII. 1. View Answer, 9. Which of the following is a unique property of laser? Professionals, Teachers, Students and Kids Trivia Quizzes to test your knowledge on the subject. Which of the following is used in atomic clocks? The Ruby laser is A. V. What is the output in wavelength of Helium-Neon laser? You have to select the right answer to the question. View Answer. Number of available carriers C. Type of semiconductor material used D. Number of recombinations taking place When laser light is focussed on a particular area for a long time, then that particular area alone will be heated. General Science - Physics MCQs. All Rights Reserved. This set of Engineering Physics Multiple Choice Questions & Answers (MCQs) focuses on “Laser”. This Satellite Communication MCQ Test contains 20 Multiple Choice Questions. 10 Questions Show answers. d) Laser I. What is the output in wavelength of ruby laser? This site uses Akismet to reduce spam. Join our social networks below and stay updated with latest contests, videos, internships and jobs! b) False Which among the following is a key process adopted for the laser beam formation as it undergoes the light amplification? 1. Printing facilities Marking MCQ Marking and Examination Solutions D 2. Students can solve NCERT Class 12 Physics Wave Optics MCQs Pdf with Answers to know their preparation level. d) Dye laser MCQ on Wave Optics Class 12 Question 1. Standard Font. These short objective type questions with answers are very important for Board exams as well as competitive exams. MCQ quiz on Laser multiple choice questions and answers on Laser MCQ questions on Laser Higher Engineering Physics objectives questions with answer test pdf for interview preparations, freshers jobs and competitive exams. Free PDF Download of CBSE Class 10 Science Chapter 10 Light Reflection and Refraction Multiple Choice Questions with Answers. MCQ BASED ON UNIT1 and UNIT2 Dr.A.K.Srivastava www.payamprofessional.com 1. a) 4524.2×1018/m3 D. Keyboard … 54. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. View Answer, 4. B. Optical fiber operates on the principle of (a) Total internal reflectance (b) Tyndall effect (c) Photo-electric effect (d) Laser technology ""An electron can never be found inside nucleus", this statement is according to" Multiple Choice Questions (MCQ) on laser in physics with choices heisenberg uncertainty principle, bernoulli's equation, bohrs model, and both a and b for schools that offer online bachelor degrees. (2), II (1), III(2), IV(1), V(2), VI(1), VII (2), VIII (2), IX (4), X(2), Your email address will not be published. View Answer, 2. A directory of Objective Type Questions covering all the Computer Science subjects. This test is Rated positive by 92% students preparing for Mechanical Engineering.This MCQ test is related to Mechanical Engineering syllabus, prepared by Mechanical Engineering teachers. The method of achieving population inversion in Ruby Laser is A. Optical pumping B. inelastic Scattering C. forward biasing D. chemical reaction 56. Save my name, email, and website in this browser for the next time I comment. Your email address will not be published. Individual mark schemes can be entered for each subject. Multiple choice questions on atomic spectra quiz answers PDF covers MCQ questions on Bohr’s atomic model, electromagnetic spectrum, inner shell transitions, and laser. C. Character Encoding System. d) 2.4961/m a) Semiconductor b) YAG c) Alexandrite 9) Why are lasers used in “Laser Printers” a) They can be focused down to very small spot sizes for high resolution b) They are cheap c) They are impossible to damage 10) As wavelength gets longer, the laser light can be focused to… d) 4430.8 Å Dec 26, 2020 - LASERS AND HOLOGRAPHY : Physics - MCQ , Class XII, CBSE Notes | EduRev is made by best teachers of . a) To excite most of the atoms 8) What type of laser is used in CD and DVD players? Software. This set of Engineering Physics Multiple Choice Questions & Answers (MCQs) focuses on “Laser”. View Answer, 6. Solar cell works based on (a) Laser technology (b) Photo-conduction (c) Thermal emission (c) Tyndall effect 17. c) Electrical waves Resolving power of telescope can be increased by increasing (a) the wavelength (b) the diameter of objective (c) the diameter of eyepiece (d) the focal length of … Multiple Choice Questions and Answers on Optical Fiber Communication(Part-2).Objective Questions and Answers on Optical Fiber Communication . a) Ruby laser The He – Ne laser is Nd - YAG laser is a (A) two level laser (B) three level laser (C) four level laser (D) ve level laser Ans. Physics MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. Sanfoundry Global Education & Learning Series – Engineering Physics. View Answer, 10. b) Helium-Neon laser Wave Optics Class 12 Physics MCQs Pdf. IV. Figure 7.1: Theodore Maiman with the first Ruby Laser in 1960 and a cross sectional view of the first device [4]. II. DVD uses the laser. d) Helium Which of the following can be used in the vibrational analysis of structure? Question 1 A. b) 4.3308 Å a) 2.8 Å Physics Objective (Multiple Choice) General Knowledge & General Science Questions & Answers for SSC-CGL, UPPSC, UPSC, NDA, CDS and UPSC Civil Services Prelims Examinations. Answers: I. b) To bring most of the atoms to ground state c) Helium neon laser a. Spontaneous Emission b. Construction of LED, that is physical dimensions B. To practice all areas of Engineering Physics, here is complete set of 1000+ Multiple Choice Questions and Answers. Which of the following is an example of optical pumping? Multiple choice questions on IT Fundamentals topic Input Output Devices. Ohm is a unit of measuring _____? MCQ Questions for Class 10 Science with Answers was Prepared Based on Latest Exam Pattern. Page 2 If you are looking for a reviewer in Communications Engineering this will definitely help. View Answer, 3. This quiz is incomplete! To play this quiz, please finish editing it. Continuous Laser B. gas Laser C. semiconductor laser D. pulsed laser 55. c) To achieve stable condition a) True What is the pumping source in Ruby laser? When a gas sample is composed of multiple molecules, the overlap of the absorption features strongly affects the analysis. © 2011-2020 Sanfoundry. Multiple choice Questions on Mechanics Multiple Choice Quiz 1) If coherence time (T o ) of wave train increases then line width of laser will C 3. 26. b) Speed This set of Engineering Physics Multiple Choice Questions & Answers (MCQs) focuses on “Introduction and Applications of Laser”. c) Coherence Ruby laser is a ___________ level laser. A. MCQ quiz on Laser multiple choice questions and answers on Laser MCQ questions on Laser Higher Engineering Physics objectives questions with answer test pdf for interview preparations, freshers jobs and competitive exams. d) Nd- YAG laser c) 2.4961/m3 1. 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